Update git submodules
Update git submodules

* Update plugins/replication from branch 'master'
  - Merge branch 'stable-2.12'
    
    * stable-2.12:
      Destination: Consider ref visibility when scheduling replication
    
    On master the isVisibilty method was renamed to shouldReplicate and has
    additional logic to check for replication of hidden projects.
    
    Rename the newly added isVisibility method to shouldReplicate to be
    consistent. Move the hidden projects logic to a utility method and use
    it in both shouldReplicate methods.
    
    Change-Id: I7b713636164fd78425561a98a1f50182c9501f4a
    
  - Destination: Consider ref visibility when scheduling replication
    
    Bug: Issue 4398
    Change-Id: I11856eabf61e734691e1b00f1c3083c017f96a01
    
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